AirIndex Research · FAA LID 3GA4

STONEWALL

UNION CITY, GA — Atlanta metro. Operational · Private use.

OperationalPrivate usePublic
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Data integrity

72/100
CorroboratedData Integrity Index
Independent inspection
Owner self-reported — never independently field-inspected
Location confidence
⚠ Location-suspect — recorded coordinates may be mislocated
Terrain cross-check (USGS 3DEP)
FAA 1020 ft MSL · USGS ground 1005 ft · Δ 15 ft
Structure cross-check (Overture / OSM)
Ground-level — no building footprint at the coordinate
Cross-source consensus
Single independent source — no corroboration available

Cross-checked against independent public data — USGS 3DEP terrain, Overture/OSM building footprints, the federal hospital registry, and measured dimensions. The State of the U.S. Heliport Record →

eVTOL readiness

InfeasibleConversion feasibility · obstruction screen
100 ft · eVTOL FATO35 ft
The recorded pad is 65 ft short of the 100 ft footprint an eVTOL would need — shown to scale.
recorded pad eVTOL FATO
Recorded pad (limiting side)
35 ft
eVTOL FATO required
100 ft
FAA EB-105 vertiport pattern — 2× a ~50 ft eVTOL controlling dimension, plus a 125 ft safety-area side.
Load-bearing FATO
100 × 100 ft must be structural
No heliport precedent — typically the binding gate for rooftop and hospital pads.
Obstruction clearance
High obstacle within 0.5 nm — conflicts with the expanded footprint and 8:1 approach

Measured against FAA pad geometry and federal FATO sizing (EB-105). A dimensional pre-screen — site-level validation required, and independent of the underwriting risk score.

FAA compliance

Q1 · FAA registrationPASS
Active FAA NASR 5010 record.
Q2 · Airspace determinationUNKNOWN
FAA OE/AAA airspace determination data integration pending.
Q3 · State enforcementLIMITED
State has limited enforcement of FAA standards.
Q4 · NFPA 418UNKNOWN
NFPA 418 adoption status not yet assessed for this jurisdiction.

FAA facility data

FAA LID
3GA4
AIX ID
aix:hp:8CFSM8TP
Lat / Lng
33.60249, -84.54977
Elevation
1020 ft MSL
Pad dimensions
35 × 35 ft
Surface type
CONC
Surface condition
FAIR
Activation date
1976/11
Last owner update
2008/03/28

FAA OEAAA airspace determinations0

No FAA OEAAA determinations linked to this facility.
Blueprint
The record vs. what we measured
72/100
DATA INTEGRITY
eVTOL footprint
FATO 100 ft reqHTLOF 35 ft

The 35 ft pad is 65 ft short of the 100 ft an eVTOL FATO requires (measured).

SIGNALFEDERAL RECORDMEASURED
Surface elevation1020 ftnot cross-checked
Structurenot on recordGround-level
Pad dimensions35 ft side (filed)35 ft side · measured
Coordinate integrityas filed⚠ location-suspect
Independent inspectionowner self-reportednone on record
Federal record
Cross-checkedUSGS · Overture · dimensions
3Physically verifiedGround Truth capture
Obstructions, exact FATO geometry, surface condition, and downwash exposure require a physical Ground Truth capture — not shown above as measured. A field verification completes the record and writes the measured truth to this facility’s authority.
Request Ground Truth verification

Full risk assessment

This page is the public data-integrity record. The full RiskIndex assessment — Q1–Q5 compliance, dimensional / FATO analysis, an underwriting-grade risk score, peer benchmark, and a sealed Site Intelligence Report — is available on request.

Request the full assessment

Building autonomous systems? See the machine-verified feed

Provenance FAA NASR 5010 · pad dims APT cycle 2026/03/19 · USGS 3DEP terrain · Overture structure · eVTOL screen conversion-feasibility-1.1 · AIX-ID aix:hp:8CFSM8TP · Methodology →
Cite this facility

STONEWALL, UNION CITY, GA (FAA 3GA4). AirIndex facility record aix:hp:8CFSM8TP. Verifiable at https://www.airindex.io/verify/aix:hp:8CFSM8TP.

Verify this record →

AIX-IDs are free to cite and reference; the registry is the source of record. The verify link resolves this record against the audit chain.

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